Lifestyle journalist Katrine escaped past traumas by moving to a coast renowned for seaside holidays and natural beauty. But when a vast hoard of human remains and prehistoric artifacts is discovered in nearby Brickburgh, a hideous shadow engulfs her life. Helene, a disillusioned lone parent, lost her brother, Lincoln, six years ago. Disturbing subterranean noises he recorded prior to vanishing, draw her to Brickburgh's caves. A site where early humans butchered each other across 60,000 years. Upon the walls, images of their nameless gods remain.

In a boarded-up house on a dead-end street at the edge of the wild Washington woods lives a family of three. A teenage girl who isn’t allowed outside, not after last time. A man who drinks alone in front of his TV, trying to ignore the gaps in his memory. And a house cat who loves napping and reading the Bible. An unspeakable secret binds them together, but when a new neighbor moves in next door, what is buried out among the birch trees may come back to haunt them all.

"Pray they are hungry." Kara finds these words in the mysterious bunker that she’s discovered behind a hole in the wall of her uncle's house. Freshly divorced and living back at home, Kara now becomes obsessed with these cryptic words and starts exploring the peculiar bunker - only to discover that it holds portals to countless alternate realities. But these places are haunted by creatures that seem to hear thoughts...and the more you fear them, the stronger they become.

In a quest for a simpler life, Helen and Nate have abandoned the comforts of suburbia to take up residence on 44 acres of rural land where they will begin the ultimate, aspirational do-it-yourself project: building the house of their dreams. When they discover that this beautiful property has a dark and violent past, Helen, a former history teacher, becomes consumed by the local legend of Hattie Breckenridge, a woman who lived and died there a century ago.

A group of close friends gathers at a secluded cabin in the wintry mountains of Colorado for a final holiday hurrah. Instead, it may be their last stand. First a massive blizzard leaves them marooned. Then the more chilling realization: Something is lurking in the woods, watching them, waiting.... Now a weekend of family, friends, and fun has turned into a test of love and loyalty in the face of inhuman horrors. The only hope for those huddled inside is to fight - tooth and nail, bullet and blade - for their lives. Otherwise, they’ll end up like the monsters’ other victims: bright pools of blood on glittering snow, screams lost in the vast mountains.

For over 20 years, Belasco House has stood empty. Regarded as the Mt. Everest of haunted houses, its shadowed walls have witnessed scenes of unimaginable horror and depravity. All previous attempts to probe its mysteries have ended in murder, suicide, or insanity.

But now, a new investigation has been launched, bringing four strangers to Belasco House in search of the ultimate secrets of life and death. A wealthy publisher, brooding over his impending death, has paid a physicist and two mediums to establish the facts of life after death once and for all. For one night, they will investigate the Belasco House and learn exactly why the townsfolk refer to it as the Hell House.

Now reduced to a schoolyard chant, the Hope family murders shocked the Maine coast one bloody night in 1929. While most people assume seventeen-year-old Lenora was responsible, the police were never able to prove it. Other than her denial after the killings, she has never spoken publicly about that night, nor has she set foot outside Hope’s End, the cliffside mansion where the massacre occurred. It’s now 1983, and home-health aide Kit McDeere arrives at a decaying Hope’s End to care for Lenora after her previous nurse fled in the middle of the night.

Professor David Ullman's expertise in the literature of the demonic - notably Milton's Paradise Lost - has won him wide acclaim. But David is not a believer. One afternoon he receives a visitor at his campus office, a strikingly thin woman who offers him an invitation: travel to Venice, Italy, witness a "phenomenon", and offer his professional opinion, in return for an extravagant sum of money. Needing a fresh start, David accepts and heads to Italy with his beloved 12-year-old daughter, Tess. What happens in Venice will send David on an unimaginable journey from skeptic to true believer....

The challenge: Spend a week hiding in an abandoned amusement park and don’t get caught. The prize: enough money to change everything. Even though everyone is desperate to win—to seize a dream future or escape a haunting past—Mack is sure she can beat her competitors. All she has to do is hide, and she’s an expert at that. It’s the reason she’s alive and her family isn’t.

Episode Thirteen takes them to every ghost hunter's holy grail: the Paranormal Research Foundation. This brooding, derelict mansion holds secrets and clues about bizarre experiments that took place there in the 1970s. It's also famously haunted, and the team hopes their scientific techniques and high tech gear will prove it. But as the house begins to reveal itself to them, proof of an afterlife might not be everything Matt dreamed of.

When Mouse’s dad asks her to clean out her dead grandmother's house, she says yes. After all, how bad could it be? Answer: pretty bad. Grandma was a hoarder, and her house is stuffed with useless rubbish. That would be horrific enough, but there’s more - Mouse stumbles across her step-grandfather’s journal, which at first seems to be filled with nonsensical rants...until Mouse encounters some of the terrifying things he described for herself.

West Hall, Vermont, has always been a town of strange disappearances and old legends. The most mysterious is that of Sara Harrison Shea, who, in 1908, was found dead in the field behind her house just months after the tragic death of her daughter, Gertie. Now, in present day, 19-year-old Ruthie lives in Sara's farmhouse with her mother, Alice, and her younger sister, Fawn. Alice has always insisted that they live off the grid, a decision that suddenly proves perilous when Ruthie wakes up one morning to find that Alice has vanished without a trace. Searching for clues, she is startled to find a copy of Sara Harrison Shea's diary....

Eleanor lives with prosopagnosia, the inability to recognize a familiar person's face. It causes stress. Acute anxiety. It can make you question what you think you know. When Eleanor walked in on the scene of her capriciously cruel grandmother, Vivianne’s, murder, she came face to face with the killer—a maddening expression that means nothing to someone like her. With each passing day, the horror of having come so close to a murderer—and not knowing if they’d be back—overtakes both her dreams and her waking moments, thwarting her perception of reality.

Once every year, Scoutmaster Tim Riggs leads a troop of boys into the Canadian wilderness for a weekend camping trip - a tradition as comforting and reliable as a good ghost story around a roaring bonfre. The boys are a tight-knit crew. There’s Kent, one of the most popular kids in school; Ephraim and Max, also well-liked and easygoing; then there’s Newt the nerd and Shelley the odd duck. For the most part, they all get along and are happy to be there - which makes Scoutmaster Tim’s job a little easier.

Late one summer night, Elizabeth Sanderson receives the devastating news that every mother fears: Her 13-year-old son, Tommy, has vanished without a trace in the woods of a local park. The search isn't yielding any answers, and Elizabeth and her young daughter, Kate, struggle to comprehend Tommy's disappearance. They feel helpless and alone, and their sorrow is compounded by anger and frustration: The local and state police have uncovered no leads.